Voltronic Power Axpert VM III TWIN 4K Off-Grid Solar Inverter

Voltronic Axpert VM III TWIN 4K Off-Grid Solar Inverter

The Axpert VM III TWIN 4K is an off-grid solar inverter rated Axpert VM III TWIN 4K.

  • Rated Power: 4000VA/4000W
  • Selectable Voltage Range: 170-280 VAC (For Personal Computers)
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Full SpecificationsDownload datasheet (PDF)

About the Voltronic Axpert VM III TWIN 4K Off-Grid Solar Inverter

The Axpert VM III TWIN 4K is an off-grid solar inverter rated Axpert VM III TWIN 4K. Every figure on this page is read from the manufacturer's manual for the Axpert VM III TWIN series.

Specifications last updated 18 August 2026

Voltronic Axpert VM III TWIN 4K Off-Grid Solar Inverter full specifications

Electrical

Rated Power4000VA/4000W
Selectable Voltage Range170-280 VAC (For Personal Computers)
AC Voltage Regulation (Batt. Mode)230VAC ±10%
Efficiency (Peak)90% - 93%
Maximum PV Array Power5000W
Maximum PV Input Current27A
Maximum Charge Current120A
Communication InterfaceUSB/RS232/RS485/WiFi/Dry-contact
Surge Power8000VA
Maximum Solar Charge Current120A
Maximum AC Charge Current100A
MPP Range @ Operating Voltage60 ~ 450 VDC
Maximum PV Array Open Circuit Voltage500 VDC
WaveformPure sine wave
Transfer Time10 ms (For Personal Computers) 20 ms (For Home Appliances)
Solar Charger typeMPPT
Battery Voltage24 VDC
Overcharge Protection33 VDC

Environmental

Humidity5% to 95%
Operating Temperature-10°C to 50°C
Storage Temperature-15°C to 60°C

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